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Printer not seen in activation window

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Printer is not seen in activation process after running firmware upgrade. I have removed all printers and reinstall the printer and it still is not recognized. How can I get this to work.

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10 hours ago, afwxchick said:

Did you ever get this resolved? I have a wf2750 and I can't get it to activate either. The activation window just closes. 

Please try this new file for you.
 
https://inkchip.net/download/INKCHIP.net_Firmware_99_WF2750_v1.rar
 
1) Upload firmware which I sent
 
2) Switch on in normal mode(!!!!) just turn on button . - dont put printer in Program Update mode. (no need to press few buttons while turn on the printer)
 
The uploading process will stuck at 70-80% - it is ok!
 
Open task manager and stop updater process.
 
Printer will blink for about 5-15 minutes - then will power OFF.
 

Now power on the printer - chipless firmware is installed in your printer!
Then run the activation program.

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